refactor(sgi): replace build-option prefix to "NRD"

As of now, CSS_SGI_PLATFORM_VARIANT and CSS_SGI_CHIP_COUNT are the
external build option that "sgi" platforms support. As "sgi" has been
renamed to "neoverse_rd" and the source files have been migrated out of
the css directory, replace the prefix "CSS_SGI" with "NRD".

Signed-off-by: Rohit Mathew <Rohit.Mathew@arm.com>
Change-Id: I27989ff42404d823dd2a8cd22ff485497ccb62d4
diff --git a/plat/arm/board/neoverse_rd/common/include/nrd_base_platform_def.h b/plat/arm/board/neoverse_rd/common/include/nrd_base_platform_def.h
index 619f706..b303757 100644
--- a/plat/arm/board/neoverse_rd/common/include/nrd_base_platform_def.h
+++ b/plat/arm/board/neoverse_rd/common/include/nrd_base_platform_def.h
@@ -14,7 +14,7 @@
 #include <plat/arm/css/common/css_def.h>
 #include <plat/common/common_def.h>
 
-#define PLATFORM_CORE_COUNT		(CSS_SGI_CHIP_COUNT *		\
+#define PLATFORM_CORE_COUNT		(NRD_CHIP_COUNT *		\
 					PLAT_ARM_CLUSTER_COUNT *	\
 					CSS_SGI_MAX_CPUS_PER_CLUSTER *	\
 					CSS_SGI_MAX_PE_PER_CPU)
@@ -34,19 +34,19 @@
  */
 #if defined(IMAGE_BL31)
 # if SPM_MM || (SPMC_AT_EL3 && SPMC_AT_EL3_SEL0_SP)
-#  define PLAT_ARM_MMAP_ENTRIES		(10  + ((CSS_SGI_CHIP_COUNT - 1) * 3))
-#  define MAX_XLAT_TABLES		(8  + ((CSS_SGI_CHIP_COUNT - 1) * 3))
+#  define PLAT_ARM_MMAP_ENTRIES		(10  + ((NRD_CHIP_COUNT - 1) * 3))
+#  define MAX_XLAT_TABLES		(8  + ((NRD_CHIP_COUNT - 1) * 3))
 #  define PLAT_SP_IMAGE_MMAP_REGIONS	12
 #  define PLAT_SP_IMAGE_MAX_XLAT_TABLES	14
 # else
-#  define PLAT_ARM_MMAP_ENTRIES		(5 + ((CSS_SGI_CHIP_COUNT - 1) * 3))
-#  define MAX_XLAT_TABLES		(6 + ((CSS_SGI_CHIP_COUNT - 1) * 3))
+#  define PLAT_ARM_MMAP_ENTRIES		(5 + ((NRD_CHIP_COUNT - 1) * 3))
+#  define MAX_XLAT_TABLES		(6 + ((NRD_CHIP_COUNT - 1) * 3))
 # endif
 #elif defined(IMAGE_BL32)
 # define PLAT_ARM_MMAP_ENTRIES		8
 # define MAX_XLAT_TABLES		5
 #elif defined(IMAGE_BL2)
-# define PLAT_ARM_MMAP_ENTRIES		(11 + (CSS_SGI_CHIP_COUNT - 1))
+# define PLAT_ARM_MMAP_ENTRIES		(11 + (NRD_CHIP_COUNT - 1))
 
 /*
  * MAX_XLAT_TABLES entries need to be doubled because when the address width
@@ -55,7 +55,7 @@
  * > 40 bits
  *
  */
-# define MAX_XLAT_TABLES		(7  + ((CSS_SGI_CHIP_COUNT - 1) * 2))
+# define MAX_XLAT_TABLES		(7  + ((NRD_CHIP_COUNT - 1) * 2))
 #elif !USE_ROMLIB
 # define PLAT_ARM_MMAP_ENTRIES		11
 # define MAX_XLAT_TABLES		7
@@ -90,10 +90,10 @@
  *
  */
 #if TRUSTED_BOARD_BOOT
-# define PLAT_ARM_MAX_BL2_SIZE		(0x20000 + ((CSS_SGI_CHIP_COUNT - 1) * \
+# define PLAT_ARM_MAX_BL2_SIZE		(0x20000 + ((NRD_CHIP_COUNT - 1) * \
 							0x2000))
 #else
-# define PLAT_ARM_MAX_BL2_SIZE		(0x14000 + ((CSS_SGI_CHIP_COUNT - 1) * \
+# define PLAT_ARM_MAX_BL2_SIZE		(0x14000 + ((NRD_CHIP_COUNT - 1) * \
 							0x2000))
 #endif
 
@@ -269,7 +269,7 @@
 #define SBSA_SECURE_WDOG_TIMEOUT	UL(100)
 
 /* Number of SCMI channels on the platform */
-#define PLAT_ARM_SCMI_CHANNEL_COUNT	CSS_SGI_CHIP_COUNT
+#define PLAT_ARM_SCMI_CHANNEL_COUNT	NRD_CHIP_COUNT
 
 /*
  * Mapping definition of the TrustZone Controller for ARM SGI/RD platforms
diff --git a/plat/arm/board/neoverse_rd/common/nrd-common.mk b/plat/arm/board/neoverse_rd/common/nrd-common.mk
index 33da19c..96e6f01 100644
--- a/plat/arm/board/neoverse_rd/common/nrd-common.mk
+++ b/plat/arm/board/neoverse_rd/common/nrd-common.mk
@@ -16,9 +16,9 @@
 
 HANDLE_EA_EL3_FIRST_NS		:=	0
 
-CSS_SGI_CHIP_COUNT		:=	1
+NRD_CHIP_COUNT		:=	1
 
-CSS_SGI_PLATFORM_VARIANT	:=	0
+NRD_PLATFORM_VARIANT	:=	0
 
 # Do not enable SVE
 ENABLE_SVE_FOR_NS		:=	0
@@ -58,9 +58,9 @@
   Please set RESET_TO_BL31 to 0.")
 endif
 
-$(eval $(call add_define,CSS_SGI_CHIP_COUNT))
+$(eval $(call add_define,NRD_CHIP_COUNT))
 
-$(eval $(call add_define,CSS_SGI_PLATFORM_VARIANT))
+$(eval $(call add_define,NRD_PLATFORM_VARIANT))
 
 override CSS_LOAD_SCP_IMAGES	:=	0
 override NEED_BL2U		:=	no
diff --git a/plat/arm/board/neoverse_rd/common/nrd_bl31_setup.c b/plat/arm/board/neoverse_rd/common/nrd_bl31_setup.c
index f9e5918..0ba4df8 100644
--- a/plat/arm/board/neoverse_rd/common/nrd_bl31_setup.c
+++ b/plat/arm/board/neoverse_rd/common/nrd_bl31_setup.c
@@ -38,7 +38,7 @@
 		.db_modify_mask = 0x1,
 		.ring_doorbell = &mhuv2_ring_doorbell,
 	},
-	#if (CSS_SGI_CHIP_COUNT > 1)
+	#if (NRD_CHIP_COUNT > 1)
 	{
 		.scmi_mbx_mem = CSS_SCMI_PAYLOAD_BASE +
 			CSS_SGI_REMOTE_CHIP_MEM_OFFSET(1),
@@ -49,7 +49,7 @@
 		.ring_doorbell = &mhuv2_ring_doorbell,
 	},
 	#endif
-	#if (CSS_SGI_CHIP_COUNT > 2)
+	#if (NRD_CHIP_COUNT > 2)
 	{
 		.scmi_mbx_mem = CSS_SCMI_PAYLOAD_BASE +
 			CSS_SGI_REMOTE_CHIP_MEM_OFFSET(2),
@@ -60,7 +60,7 @@
 		.ring_doorbell = &mhuv2_ring_doorbell,
 	},
 	#endif
-	#if (CSS_SGI_CHIP_COUNT > 3)
+	#if (NRD_CHIP_COUNT > 3)
 	{
 		.scmi_mbx_mem = CSS_SCMI_PAYLOAD_BASE +
 			CSS_SGI_REMOTE_CHIP_MEM_OFFSET(3),
diff --git a/plat/arm/board/neoverse_rd/common/nrd_plat.c b/plat/arm/board/neoverse_rd/common/nrd_plat.c
index c713ebd..64a6065 100644
--- a/plat/arm/board/neoverse_rd/common/nrd_plat.c
+++ b/plat/arm/board/neoverse_rd/common/nrd_plat.c
@@ -52,13 +52,13 @@
 	CSS_SGI_MAP_DEVICE,
 	SOC_CSS_MAP_DEVICE,
 	ARM_MAP_NS_DRAM1,
-#if CSS_SGI_CHIP_COUNT > 1
+#if NRD_CHIP_COUNT > 1
 	CSS_SGI_MAP_DEVICE_REMOTE_CHIP(1),
 #endif
-#if CSS_SGI_CHIP_COUNT > 2
+#if NRD_CHIP_COUNT > 2
 	CSS_SGI_MAP_DEVICE_REMOTE_CHIP(2),
 #endif
-#if CSS_SGI_CHIP_COUNT > 3
+#if NRD_CHIP_COUNT > 3
 	CSS_SGI_MAP_DEVICE_REMOTE_CHIP(3),
 #endif
 #if ARM_BL31_IN_DRAM
diff --git a/plat/arm/board/neoverse_rd/common/nrd_plat_v2.c b/plat/arm/board/neoverse_rd/common/nrd_plat_v2.c
index d241f70..b0d6ca3 100644
--- a/plat/arm/board/neoverse_rd/common/nrd_plat_v2.c
+++ b/plat/arm/board/neoverse_rd/common/nrd_plat_v2.c
@@ -44,13 +44,13 @@
 	SOC_PLATFORM_PERIPH_MAP_DEVICE,
 	SOC_SYSTEM_PERIPH_MAP_DEVICE,
 	ARM_MAP_NS_DRAM1,
-#if CSS_SGI_CHIP_COUNT > 1
+#if NRD_CHIP_COUNT > 1
 	SOC_MEMCNTRL_MAP_DEVICE_REMOTE_CHIP(1),
 #endif
-#if CSS_SGI_CHIP_COUNT > 2
+#if NRD_CHIP_COUNT > 2
 	SOC_MEMCNTRL_MAP_DEVICE_REMOTE_CHIP(2),
 #endif
-#if CSS_SGI_CHIP_COUNT > 3
+#if NRD_CHIP_COUNT > 3
 	SOC_MEMCNTRL_MAP_DEVICE_REMOTE_CHIP(3),
 #endif
 #if ARM_BL31_IN_DRAM